2,3-dimethoxy-5,8,13,13a-tetrahydro-6H-isoquino[3,2-a]isoquinolin-9-ol 6H-dibenzo[a,g]quinolizin-9-ol, 5,8,13,13a-tetrahydro-2,3-dimethoxy- InChI=1/C19H21NO3/c1-22-18-9-13-6-7-20-11-15-12(4-3-5-17(15)21)8-16(20)14(13)10-19(18)23-2/h3-5,9-10,16,21H,6-8,11H2,1-2H